void gui_surface::resize(const float2& buffer_size_) {
uint2 buffer_size_abs_ = ((flags & SURFACE_FLAGS::ABSOLUTE_SIZE) == SURFACE_FLAGS::ABSOLUTE_SIZE ?
buffer_size_.rounded() :
buffer_size_ * float2(oclraster::get_width(), oclraster::get_height()));
if(buffer.get_attachment_count() != 0 &&
buffer_size_abs.x == buffer_size_abs_.x && buffer_size_abs.y == buffer_size_abs_.y) {
// same size, nothing to do here
return;
}
buffer_size = buffer_size_;
buffer_size_abs = buffer_size_abs_;
delete_buffer();
const bool has_depth = ((flags & SURFACE_FLAGS::NO_DEPTH) != SURFACE_FLAGS::NO_DEPTH);
buffer = framebuffer::create_with_images(buffer_size_abs.x, buffer_size_abs.y,
{ { IMAGE_TYPE::UINT_8, IMAGE_CHANNEL::RGBA } },
{
has_depth ? IMAGE_TYPE::FLOAT_32 : IMAGE_TYPE::NONE,
has_depth ? IMAGE_CHANNEL::R : IMAGE_CHANNEL::NONE
});
// set blit vbo rectangle data
set_offset(offset);
//
redraw();
}
